Alfa Romeo 4C (2017) is 982 kg (2,165 lbs) lighter than Mercedes GLC-Class (2016).
Mercedes GLC-Class (2016) is 668 mm (26.30 inch) longer, 23 mm (0.91 inch) wider, 475 mm (18.70 inch) higher and has 240 liters (8.48 ft3) bigger cargo space than Alfa Romeo 4C (2017).